Title: [144589] trunk/Source/_javascript_Core
- Revision
- 144589
- Author
- [email protected]
- Date
- 2013-03-03 16:11:08 -0800 (Sun, 03 Mar 2013)
Log Message
Shrink JSC::HashTable entries.
<http://webkit.org/b/111275>
<rdar://problem/13333511>
Reviewed by Anders Carlsson.
Move the Intrinsic value out of the function-specific part of the union,
and store it next to m_attributes. Reduces the size of HashEntry by 8 bytes.
990 kB progression on Membuster3. (PTUS: 797 kB)
* runtime/Lookup.h:
(JSC::HashEntry::initialize):
(JSC::HashEntry::intrinsic):
(HashEntry):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (144588 => 144589)
--- trunk/Source/_javascript_Core/ChangeLog 2013-03-04 00:09:26 UTC (rev 144588)
+++ trunk/Source/_javascript_Core/ChangeLog 2013-03-04 00:11:08 UTC (rev 144589)
@@ -1,3 +1,21 @@
+2013-03-03 Andreas Kling <[email protected]>
+
+ Shrink JSC::HashTable entries.
+ <http://webkit.org/b/111275>
+ <rdar://problem/13333511>
+
+ Reviewed by Anders Carlsson.
+
+ Move the Intrinsic value out of the function-specific part of the union,
+ and store it next to m_attributes. Reduces the size of HashEntry by 8 bytes.
+
+ 990 kB progression on Membuster3. (PTUS: 797 kB)
+
+ * runtime/Lookup.h:
+ (JSC::HashEntry::initialize):
+ (JSC::HashEntry::intrinsic):
+ (HashEntry):
+
2013-03-01 David Kilzer <[email protected]>
BUILD FIX: testapi should link to Foundation, not CoreFoundation
Modified: trunk/Source/_javascript_Core/runtime/Lookup.h (144588 => 144589)
--- trunk/Source/_javascript_Core/runtime/Lookup.h 2013-03-04 00:09:26 UTC (rev 144588)
+++ trunk/Source/_javascript_Core/runtime/Lookup.h 2013-03-04 00:11:08 UTC (rev 144589)
@@ -53,7 +53,7 @@
m_attributes = attributes;
m_u.store.value1 = v1;
m_u.store.value2 = v2;
- m_u.function.intrinsic = intrinsic;
+ m_intrinsic = intrinsic;
m_next = 0;
}
@@ -65,7 +65,7 @@
Intrinsic intrinsic() const
{
ASSERT(m_attributes & Function);
- return m_u.function.intrinsic;
+ return m_intrinsic;
}
NativeFunction function() const { ASSERT(m_attributes & Function); return m_u.function.functionValue; }
@@ -82,6 +82,7 @@
private:
StringImpl* m_key;
unsigned char m_attributes; // JSObject attributes
+ Intrinsic m_intrinsic;
union {
struct {
@@ -91,7 +92,6 @@
struct {
NativeFunction functionValue;
intptr_t length; // number of arguments for function
- Intrinsic intrinsic;
} function;
struct {
GetFunction get;
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